Brennan invented the idea of a steerable torpedoin 1874, from observing that if a thread is pulled on a reel at an angle with suitable leverage, the reel will move away fr… The Brennan torpedo became a standard harbour defence throughout the British Empire and was in use for more than 15 years. Brennan se rend en Angleterre en 1880 et présente son invention à de l'Office de la guerre. Un article de Wikipédia, l'encyclopédie libre. However, traces of the installation at Fort Camden in County Cork are visible to this day. Il fait breveter la « Torpille De Brennan » en 1877. Ejector Seat. Brennan est né à Castlebar, en Irlande, et a déménagé avec ses parents à Melbourne, en Australie, en 1861. This page was last edited on 27 August 2020, at 22:18. L'idée est testée à Camden Fort près de Crosshaven, Cork, Irlande[2]. Brennan decided to accept £40,000 as a quick answer to his financial worries but his business partner J.R. Temperley assumed control of the negotiations and demanded £100,000. The only remaining original Brennan Torpedo is exhibited at the Royal Engineers Museum in Chatham, Kent.

Four Brennan installations were added to existing fortifications at Fort Albert on the Isle of Wight, Cliffe Fort on the Thames, Garrison Point at the entrance to The Medway and at Fort Ricasoli at the entrance to the Grand Harbour at Malta. Further sites proposed as funds become available at Plymouth (Bovisand), Milford Haven, Clyde, Forth, Falmouth, Hong Kong, Singapore and St Lucia. Il fait breveter la « Torpille De Brennan » en 1877. The wire was attached to an engine to wind it in, rotating the drum that then propelled the vehicle away from its start point. Manufacture of the Brennan torpedo finished in 1906. En 1887, Brennan est nommé surintendant de l'usine de torpilles Brennan, et ingénieur-conseil de 1896 à 1907. In tests carried out by the Admiralty the operator was able to hit a floating object at 2,000 yards (1,800 m) and was able to turn the torpedo through 180 degrees to hit a target from the off side. In later life he worked unstintingly to create a workable gyroscopic monorail. https://fr.wikipedia.org/w/index.php?title=Louis_Brennan&oldid=164781640, Article avec une section vide ou incomplète, Portail:Biographie/Articles liés/Sciences, licence Creative Commons attribution, partage dans les mêmes conditions, comment citer les auteurs et mentionner la licence. Sir Andrew Clarke informe les autorités sur les possibilités de la torpille si elle est utilisée dans la défense des ports et des chenaux, et le brevet est finalement acheté pour une somme estimée à plus de 100 000 £. Two steel drums were mounted one behind the other inside the torpedo, each carrying several thousands yards of high-tensile steel wire. Gillingham Public Libraries Local History Series No. In 1884 Brennan received a letter from the War Office stating that they had decided to adopt his torpedo for harbour defence and he was invited to attend a meeting to decide the value of his invention. Parts of the installation at Garrison Point survive including the direction stations on the face of the fort and parts of the slipway supports. National Archive in WO32/6064 In minute to Director of Artillery from Inspector General of Fortifications. At the time the Royal Engineers - part of the army - was responsible for Britain's shore defenses, while the Royal Navy was responsible for its seaward protection. Il s'intéresse aux transports et crée un système de monorail innovant qui est maintenu en équilibre grâce à un gyroscope[3]. A grant was eventually awarded for the development of the torpedo, and in March 1879 it was successfully tested in Hobsons Bay, Melbourne. The torpedo was fitted with elevators controlled by a depth-keeping mechanism, and the fore and aft rudders operated by the differential between the drums. It was used as a coastline defensive mechanism. He was perhaps one of Ireland’s most creative minds, and the legacy of his remarkable inventions lives on today. Learn how and when to remove this template message, YouTube animation showing the Brennan torpedo station at Camden Fort Meagher, Cork, https://en.wikipedia.org/w/index.php?title=Brennan_torpedo&oldid=975329495, Articles needing additional references from June 2015, All articles needing additional references, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License. The War Office agreed to this, but said that it would have to be paid out over a period of three years. At Malta the Tigne installation was later converted for use as the boom defence station but the rooms still exist.

Louis Brennan (28 janvier 1852 - 17 janvier 1932), très honorable ordre du Bain, était un ingénieur mécanicien et inventeur irlando-australien. Les démonstrations qu'il fait sont concluantes, mais des craintes de pannes du gyroscope empêchent l'adoption du nouveau système. There were previous versions of ejector seats, but it was Sir James Martin’s invention that allowed pilots to eject from planes that moved at high speeds. At 22 he invented for coastal defence a torpedo which was propelled by counter … He demonstrated this by means of a cotton reel, with a pencil thrust through the hole in the centre. The Brennan torpedo was similar in appearance to more modern ones, apart from having a flattened oval cross-section instead of a circular one.

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